Subscapularis
Rotator cuff muscle · Shoulders
- Origin
- Subscapular fossa (front surface of the scapula)
- Insertion
- Lesser tubercle of the humerus
- Action
- Medially rotates the arm and stabilises the shoulder joint
The only rotator cuff muscle on the front of the shoulder blade, sandwiched between the scapula and the rib cage. Use X-ray mode to see it.
Subscapularis anatomy page →